55454407 has 8 divisors (see below), whose sum is σ = 59616000. Its totient is φ = 51417144.

The previous prime is 55454401. The next prime is 55454419. The reversal of 55454407 is 70445455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55454407 - 2⁷ = 55454279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55454401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30157 + ... + 31942.

It is an arithmetic number, because the mean of its divisors is an integer number (7452000).

Almost surely, 2^55454407 is an apocalyptic number.

55454407 is a deficient number, since it is larger than the sum of its proper divisors (4161593).

55454407 is a wasteful number, since it uses less digits than its factorization.

55454407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62165.

The product of its (nonzero) digits is 56000, while the sum is 34.

The square root of 55454407 is about 7446.7715823704. The cubic root of 55454407 is about 381.3397011185.

The spelling of 55454407 in words is "fifty-five million, four hundred fifty-four thousand, four hundred seven".